Earth

classification:

Earth is the third planet from the sun and the fifth largest in the solar system.

Describtion:

Earth is mostly made of nickel- iron. The four seasons are a result of Earths axis of rotation being tilted more than 23 degrees. Near the suface, an ocean of air that consists of 78 percent nitrogen, 21 percent oxygen, and 1 percent other ingredients envelops us.

Conclusion:

Earth our home planet, is the only planet in our solar system known to harbour life!




external image earth.jpg